Aon Consulting 401(k) Plan

Chicago, Illinois

Aon Consulting 401K plan details: employer match info, participant login access, withdrawal options, and full plan review. 2026 data with contacts,...

401(k) QualifiedEmployer MatchMoney PurchaseTop EmployerILInsurance
Overall Rating
3.5/5
223 ratings
Active Participants
74,793
Total Plan Assets
$3.1B
▲ 86.1% YoY
Avg. Balance per Participant
$42K
Number of Plans
1

Plan Analysis

Aon Consulting, in the Insurance sector and headquartered in Illinois, manages a 401(k) program with $3.1B in total plan assets across 74,793 active participants, established 3 years ago. The plan saw strong asset growth of 86.1% year-over-year, significantly outpacing the typical 401(k) plan. The average participant balance of $42K is near the national median, typical for a large-employer plan. The employer contributed an average of $1,707 per active participant, equivalent to 7% of the 2026 employee deferral limit. Participants contributed an average of $2,952 each through employee deferrals. Outstanding participant loans of $39.3M represent 1.3% of plan assets. Distributions totaled $279.8M (9% of assets), reflecting normal retirement and separation activity.

How Aon Consulting Compares

Comparison against 284 employer 401(k) plans in our database

Metric Aon Consulting Database Median Comparison
Avg. Balance per Participant $42K $140K ▼ 70% below median
Employer Contribution per Participant $2K $3K ▼ 51% below median
YoY Asset Growth 86.1% 12.9% ▲ Above median
Total Assets vs. Insurance Sector $3.1B $10.4B ▼ 70% below sector median

Contact Information

Plan Sponsor

AON CONSULTING, INC.

(847) 442-2737

200 E. RANDOLPH STREET, CHICAGO, IL 60601

Filing Information

EIN: 22-2232264

Plan Effective Date: 2021-01-01

Source: DOL Form 5500 (Latest Filings)

2026 Contribution Limits for Aon Consulting 401(k)

Category Limit Details
Employee Deferral $24,500 Standard elective deferral limit for all participants
Catch-Up (Age 50+) +$8,000 Additional contributions for participants age 50 and over (total: $32,500)
Super Catch-Up (Age 60-63) +$11,250 SECURE 2.0 enhanced catch-up for ages 60-63 (total: $35,750)
Total Annual Additions (415 Limit) $72,000 Maximum combined employee + employer contributions
Compensation Cap $350,000 Maximum compensation considered for contributions
Aon Consulting Avg. Employee Deferral $2,952 12% of the $24,500 limit (based on latest Form 5500 filing)
Aon Consulting Avg. Employer Contribution $1,707 Employer contributes $127.7M total across 74,793 participants

Aon Consulting 401(k) Plan Details

Data from DOL Form 5500 (Latest Filings)

Plan Name Active Participants Total Assets Employer Contributions Participant Contributions 401(k)
AON POOLED EMPLOYER PLAN 74,793 $3.1B $127.7M $220.8M Yes

Plan Type Details

Primary Plan: AON POOLED EMPLOYER PLAN

Plan Types: DB (Fixed); DC (401(k)); DC (Money Purchase); DC (Target Benefit); DC (Other); Offset; DC (Matching); DC (Stock Bonus); DC (SIMPLE 401(k)); 2W; 403(b); IRA (SIMPLE); 457 Plan

Funded By: Trust Insurance

Financial Summary

MetricAmount
Total Assets (Beginning of Year)$1,686,907,060
Total Assets (End of Year)$3,138,698,069
Employer Contributions$127,659,816
Participant Contributions$220,776,225
Total Distributions$279,796,086
Total Income (Gains/Losses)$671,816,055
Total Expenses$289,054,042
Outstanding Participant Loans$39,258,843

Participant Breakdown

Active Participants
74,793
Total All Participants
87,813
Retired/Separated Receiving
48

Plan Review & Rating

Based on 223 plan data ratings and analysis

3.5
Match Generosity
3.7
Fund Options
3.3
Fees & Costs
3.2
Customer Service
3.4

Ratings are based on publicly available plan data, participant feedback, and industry benchmarks. Individual experience may vary. This is not financial advice. Data sourced from DOL Form 5500 filings.

People Also Ask About Aon Consulting 401(k)

The Aon Consulting 401(k) match competitiveness depends on the formula and vesting schedule. With $1,707 in employer contributions per active participant (a 58% employer-to-employee ratio), Aon Consulting's match appears competitive with industry norms. Compare it with industry averages where the typical employer match is between 3-6% of salary. Review the specific match percentage and vesting timeline with your HR department.

Vesting schedules determine when employer match contributions fully belong to you. Common schedules include immediate vesting, 3-year cliff vesting, or 6-year graded vesting. At Aon Consulting, with $127.7M in annual employer contributions across the plan, understanding your vesting timeline is critical before considering a job change. Contact Aon Consulting HR for the exact vesting schedule.

Withdrawals from your Aon Consulting 401(k) are generally available after age 59½, upon separation from service, disability, or financial hardship. The plan processed $279.8M in distributions during the last filing year. Early withdrawals before age 59½ may be subject to a 10% penalty plus income taxes. The Rule of 55 allows penalty-free withdrawals if you leave Aon Consulting at age 55 or older.

Yes, you can roll over your Aon Consulting 401(k) to a Traditional IRA (for pre-tax funds) or Roth IRA (for Roth 401(k) funds). With an average balance of $42K per participant, a direct rollover avoids the mandatory 20% withholding that applies to indirect rollovers. Contact your plan administrator or the receiving IRA custodian to initiate the transfer.

Many Fortune 500 companies, including Aon Consulting, have auto-enrollment features. With 74,793 active participants and $220.8M in annual employee deferrals, the plan demonstrates strong participation. Auto-enrollment typically starts at 3-6% of salary with annual escalation. You can opt out or change your contribution rate at any time through the plan provider portal.

Frequently Asked Questions

Aon Consulting offers an employer match through their 401(k) plan. The latest filing shows $127.7M in employer contributions versus $220.8M in employee deferrals (a 58% ratio), consistent with a competitive match program. The exact match formula may vary by plan and employment status. Contact Aon Consulting HR or your plan administrator for the specific match formula applicable to your situation.

You can access your Aon Consulting 401(k) account through the plan provider's participant portal. The plan serves 74,793 active participants. If you're a current or former employee, use the login link above or contact the plan administrator at the phone number listed on this page. First-time users will need to register using their Social Security number and date of birth.

For 2026, Aon Consulting 401(k) participants can contribute up to $24,500 in employee deferrals. Participants aged 50+ can contribute an additional $8,000 in catch-up contributions (total $32,500). Those aged 60-63 can make super catch-up contributions of $11,250 (total $35,750). Currently, Aon Consulting participants contribute an average of $2,952 per year in employee deferrals. Employer contributions are separate from these limits.

Many Aon Consulting 401(k) plans offer loan provisions. As of the latest filing, Aon Consulting participants had $39.3M in outstanding loans (averaging $525 across participants with active loans). The IRS limits 401(k) loans to the lesser of $50,000 or 50% of your vested balance. With an average account balance of $42K in the Aon Consulting plan, the maximum potential loan amount for a fully vested participant would vary accordingly. Check with your plan administrator for specific loan terms.

When you leave Aon Consulting, you have several options for your 401(k): keep it in the plan (if the balance is over $7,000), roll it over to a new employer's plan, roll it to an IRA, or take a cash distribution (subject to taxes and potential penalties). In the most recent filing year, the plan processed $279.8M in distributions to departing or retired participants. Employer match contributions may be subject to a vesting schedule.

According to the most recent Form 5500 filing, the Aon Consulting 401(k) plan has 74,793 active participants managing $3.1B in plan assets. The average account balance is $42K per participant, and the plan was originally established on N/A.

Many major employers, including Aon Consulting, offer both traditional pre-tax and Roth after-tax 401(k) contribution options. Given that Aon Consulting participants average $2,952 in annual deferrals, choosing between Roth and traditional depends on whether you expect your tax bracket to be higher or lower in retirement. Contact the Aon Consulting plan administrator for availability.

The Aon Consulting 401(k) plan typically offers a range of investment options including target-date funds, index funds, actively managed funds, and potentially company stock. The plan generated $671.8M in total investment income during the last filing year. Log into your account to see current investment options and performance.

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Disclaimer: Information on this page is sourced from public DOL Form 5500 filings and is provided for educational purposes only. This is not financial, tax, or investment advice. Plan details may have changed since the last filing. Always consult your plan administrator, HR department, or a qualified financial advisor for the most current information about your 401(k) plan. 401K.is is not affiliated with Aon Consulting or their plan providers.

Last updated: February 2026 | Data source: DOL Form 5500 (Latest Filings) | Filed: 2025-10-01